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Wendy L. Freedman

John & Marion Sullivan University Professor of Astronomy & Astrophysics, Department of Astronomy and Astrophysics

Ph.D. in Astronomy, University of Toronto, 1984
 
Contact Information
Phone: (773) 834-5651
Location: ERC 535
Email: wfreedmanuchicago.edu

 
Research
Observational cosmology, Hubble constant, dark energy, extragalactic distance scale, supernovae, Cepheids, galaxy evolution, initial mass function.

Ongoing Scientific Projects:

 
Students
GRADUATE STUDENTS

 
Currently in Committees
  • Strategic Policy Team (SPT)

 
KICP Publications
2019 | 2018 | 2017 | 2016


Latest Journal Publications
  1. "Standard Galactic Field RR Lyrae II: A Gaia DR2 calibration of the period-Wesenheit-metallicity relation", arXiv:1910.01773 (Oct 2019)
  2. "Standard Galactic Field RR Lyrae II: A Gaia DR2 calibration of the period-Wesenheit-metallicity relation", Monthly Notices of the Royal Astronomical Society, Advance Access (Oct 2019)
  3. "The Carnegie Chicago Hubble Program. VI. Tip of the Red Giant Branch Distances to M66 and M96 of the Leo I Group", The Astrophysical Journal, Volume 882, Issue 2, article id. 150, 10 pp. (2019) (Sep 2019)
  4. "The Carnegie-Chicago Hubble Program. VIII. An Independent Determination of the Hubble Constant Based on the Tip of the Red Giant Branch", The Astrophysical Journal, Volume 882, Issue 1, article id. 34, 29 pp. (2019) (Sep 2019)
  5. "The Carnegie-Chicago Hubble Program. VII. The Distance to M101 via the Optical Tip of the Red Giant Branch Method", arXiv:1908.06120 (Aug 2019)
  6. "The Carnegie-Chicago Hubble Program. VIII. An Independent Determination of the Hubble Constant Based on the Tip of the Red Giant Branch", arXiv:1907.05922 (Jul 2019)
  7. "The Carnegie Chicago Hubble Program VI: Tip of the Red Giant Branch Distances to M66 and M96 of the Leo I Group", arXiv:1907.05891 (Jul 2019)
  8. "Securing the Absolute Scale for the IR-TRGB Distance Ladder", HST Proposal. Cycle 27, ID. #15875 (Jun 2019)
  9. "New near-infrared JHKs light-curve templates for RR Lyrae variables", Astronomy & Astrophysics, Volume 625, id.A1, 19 pp (May 2019)
  10. "Gravity and Light: Combining Gravitational Wave and Electromagnetic Observations in the 2020s", Astro2020: Decadal Survey on Astronomy and Astrophysics, science white papers, no. 295; Bulletin of the American Astronomical Society, Vol. 51, Issue 3, id. 295 (2019) (May 2019)
  11. "The Key Role of Supernova Spectrophotometry in the Next-Decade Dark Energy Science Program", Astro2020: Decadal Survey on Astronomy and Astrophysics, science white papers, no. 494; Bulletin of the American Astronomical Society, Vol. 51, Issue 3, id. 494 (2019) (May 2019)
  12. "VizieR Online Data Catalog: The NIR tip of RGB. I. JHK photometry of IC1613 (Madore+, 2018)", VizieR On-line Data Catalog: J/ApJ/858/11. Originally published in: 2018ApJ...858...11M (Mar 2019)
  13. "VizieR Online Data Catalog: RR Lyrae variables NIR light-curve templates (Braga+, 2019)", VizieR On-line Data Catalog: J/A+A/625/A1. Originally published in: 2019A&A...625A...1B (Mar 2019)
  14. "On a New Method to Estimate the Distance, Reddening, and Metallicity of RR Lyrae Stars Using Optical/Near-infrared (B, V, I, J, H, K) Mean Magnitudes: ω Centauri as a First Test Case", The Astrophysical Journal, Volume 870, Issue 2, article id. 115, 21 pp. (2019) (Jan 2019)
  15. "Carnegie Supernova Project-II: Extending the Near-infrared Hubble Diagram for Type Ia Supernovae to z ˜ 0.1", Publications of the Astronomical Society of the Pacific, Volume 131, Issue 995, pp. 014001 (2019) (Jan 2019)
  16. "Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program", Publications of the Astronomical Society of the Pacific, Volume 131, Issue 995, pp. 014002 (2019) (Jan 2019)
  17. "LIGO/Virgo S190425z: Further confirmation for the classification of PS19qp/AT 2019ebq as a supernova.", GRB Coordinates Network, Circular Service, No. 24295, #1 (2019/April-0) (n/a 2019)
  18. "The Carnegie Supernova Project: Absolute Calibration and the Hubble Constant", The Astrophysical Journal, Volume 869, Issue 1, article id. 56, 23 pp. (2018) (Dec 2018)
  19. "The Carnegie-Chicago Hubble Program: Calibration of the Near-infrared RR Lyrae Period-Luminosity Relation with HST", The Astrophysical Journal, Volume 869, Issue 1, article id. 82, 8 pp. (2018) (Dec 2018)
  20. "The Carnegie RR Lyrae Program: mid-infrared period-luminosity relations of RR Lyrae stars in Reticulum", Monthly Notices of the Royal Astronomical Society, Volume 480, Issue 3, p.4138-4153 (Nov 2018)

Latest Conference Proceedings
  1. "Multiwavelength Gaia DR2 Calibration of the RR Lyrae Period-Luminosity-Metallicity Relation", American Astronomical Society, AAS Meeting #233, id.#373.02 (Jan 2019)
  2. "Multiwavelength Gaia DR2 Calibration of the RR Lyrae Period-Luminosity-Metallicity Relation", American Astronomical Society, AAS Meeting #233, id.373.02 (Jan 2019)
  3. "Metallicity-Corrected Tip of the Red Giant Branch Distances to M66 and M96", American Astronomical Society, AAS Meeting #232, id. 319.03 (Jun 2018)
  4. "Increasing Accuracy and Increasing Tension in Ho", American Astronomical Society, AAS Meeting #229, id.234.01 (Jan 2017)
  5. "Star Formation as a Function of Neutral Hydrogen Gas Density in Local Group Galaxies", American Astronomical Society, AAS Meeting #228, id.319.04 (Jun 2016)
  6. "Accepted Facts in Observational Cosmology", American Astronomical Society, AAS Meeting #228, id.204.01 (Jun 2016)
  7. "The Next Generation of Optical Telescopes", APS April Meeting 2016, abstract id. Y7.001 (Mar 2016)